Examlex
The color of an alloy is a good predictor of its composition or other properties. Yellow alloys contain gold.
Sound Travels
Sound travels through various mediums (such as air, water, and solids) as a wave of pressure variations, allowing us to hear by reaching and being interpreted by our ears.
Feet/Second
A unit of speed expressing the distance in feet traveled or covered in one second.
Complex Tones
Complex tones consist of multiple frequencies or harmonics combined, which contribute to the richness and timbre of sounds, playing an essential role in the perception of music and speech.
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